à tes trousses

on your heels

→ à
phrase Rare #43,674
on your heels An idiomatic expression meaning that someone is chasing or pursuing you closely. The possessive changes with the person being addressed: à vos trousses is the formal or plural form.
FR: Dépêche-toi, les gardes sont à tes trousses !
EN: Hurry up, the guards are on your heels!

Elles sont à tes trousses.

They’re hot on your trail.

La police est à tes trousses.

The police are after you.

La police est à tes trousses?

Are the police after you?

— La piel que habito (2011)

Fais gaffe, t'en as un à tes trousses.

Watch out, there's one after you.

— La Guerre des étoiles (1977)